The North had its share of problems during the U.S Civil War. Late in the war, when victories are few and casualties are high, the Union employed conscription to alleviate manpower shortages. Of course, conscription did not proceed well and it did not sit well with the general public. There is so much evasion and resistance to the draft, leading to violent draft riots in New York.
The crusades introduced Europe to the works of Middle Eastern scholars, philosophers, and doctors. Richard the Lion-heart, King of England and one of the most famous Crusader Kings, had an Arab physician.<span />
Mexico ceded to the United States Upper California and New Mexico. This was known as the Mexican Cession and included present-day Arizona and New Mexico and parts of Utah, Nevada, and Colorado.
<span>C.one that has two chamber than can provide checks on policy making decisions</span>